Home / 30,082.95-45,124.44-19,006.47

Finding the Fourth Proportional to 30,082.95, 45,124.44 and 19,006.47

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Solution

The fourth proportional to 30,082.95, 45,124.44 and 19,006.47 is: 28,509.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,082.95 : 45,124.44 = 19,006.47 : x
  2. Step 2: Convert to fraction form
    30,082.95/45,124.44 = 19,006.47/x
  3. Step 3: Cross multiply
    30,082.95x = 45,124.44 × 19,006.47
  4. Step 4: Simplify right side
    30,082.95x = 857,656,315.13
  5. Step 5: Solve for x
    x = 857,656,315.13/30,082.95
  6. Step 6: Final answer
    x = 28,509.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.